WEST BOYLSTON — A 29-year-old Worcester man died Tuesday after he tried to kill himself in his cell at the Worcester County Jail and House of Correction on Saturday.

Brian Diaz of Worcester was awaiting trial on charges including breaking and entering, receiving stolen property and drug charges in cases brought by Worcester and Auburn police, said David H. Tuttle, a spokesman for Worcester County Sheriff Lewis G. Evangelidis.

Correctional officers discovered Mr. Diaz in his cell during their routine 30-minute checks and administered first aid.

Mr. Diaz was taken by ambulance to the UMass Memorial Medical Center — University Campus in Worcester, where he died Tuesday.

State police and the district attorney are reviewing the case, as is the protocol in such situations. The state medical examiner is assisting.